Home / 86,345.59-119,158.92-48,107.68

Finding the Fourth Proportional to 86,345.59, 119,158.92 and 48,107.68

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Solution

The fourth proportional to 86,345.59, 119,158.92 and 48,107.68 is: 66,389.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,345.59 : 119,158.92 = 48,107.68 : x
  2. Step 2: Convert to fraction form
    86,345.59/119,158.92 = 48,107.68/x
  3. Step 3: Cross multiply
    86,345.59x = 119,158.92 × 48,107.68
  4. Step 4: Simplify right side
    86,345.59x = 5,732,459,192.51
  5. Step 5: Solve for x
    x = 5,732,459,192.51/86,345.59
  6. Step 6: Final answer
    x = 66,389.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.